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B-mount Hot-swap Plate
The KA-R31B is a B-mount hot-swap plate for ARRI Alexa MINI / MINI LF, install with SDI 1 in 2 out distribution and isolater, power cameras at 28.8V (22-33.6V) by 8-pin DC-IN. When removing the B-mount battery, 8-pin DC output Reg. 28V for hotswapping, you don't need to switch off the camera when changing the battery.
ALEXA MINI/MINI LF install
The KA-R31B matches with ARRI original MINI / MINI LF support system by connection with RAB-1 Clamp 2 (K2.0023406).
KA-R31B doesn’ t include the K2.0023406 clamp.
2mins at 200W load
The KA-R31B has 32Wh/3Ah battery cells inside, 200W constant high load, even after 1000 cycle times, the plate can still ensure 2 minutes hot swap time for changing battery.
120s Countdown Display
The KA-R31B provides an LCD screen to display countdown seconds when changing battery. When the battery is removed, the screen will countdown from 120 seconds. You just need to put in a new battery before it counts down to 0 seconds. The new battery will charge the hotswap plate as well. You can see the countdown seconds will go back up to 120 seconds after a period of time.
Power and SDI Distribution
KA-R31B provides:
And supports 3GSDI 1 to 2 distribution, with SDI isolater inside, to prevent other camera top SDI devices damage the camera SDI port.
15mm Rod Adaptor
The KA-R31B provides a free 15mm Rod Adaptor in the package, to install on the old style ALEXA MINI 15mm rig system.
Key Features:
Inner battery voltage |
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Inner battery capacity |
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Power load |
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8-pin LEMO output |
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D-tap output x2 |
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2-pin LEMO output |
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USB-A output |
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8-pin LEMO input |
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BNC x1 |
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BNC x2 |
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Dimensions |
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Net weight |
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